FFmpeg
af_afir.h
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1 /*
2  * Copyright (c) 2017 Paul B Mahol
3  *
4  * This file is part of FFmpeg.
5  *
6  * FFmpeg is free software; you can redistribute it and/or
7  * modify it under the terms of the GNU Lesser General Public
8  * License as published by the Free Software Foundation; either
9  * version 2.1 of the License, or (at your option) any later version.
10  *
11  * FFmpeg is distributed in the hope that it will be useful,
12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14  * Lesser General Public License for more details.
15  *
16  * You should have received a copy of the GNU Lesser General Public
17  * License along with FFmpeg; if not, write to the Free Software
18  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
19  */
20 
21 #ifndef AVFILTER_AFIR_H
22 #define AVFILTER_AFIR_H
23 
24 #include "libavutil/float_dsp.h"
25 #include "libavutil/frame.h"
26 #include "libavutil/rational.h"
27 #include "libavutil/tx.h"
28 #include "avfilter.h"
29 #include "af_afirdsp.h"
30 
31 typedef struct AudioFIRSegment {
33  int part_size;
39 
41  int *part_index;
42 
51 
55 
56 typedef struct AudioFIRContext {
57  const AVClass *class;
58 
59  float wet_gain;
60  float dry_gain;
61  float length;
62  int gtype;
63  float ir_gain;
64  int ir_format;
65  float max_ir_len;
66  int response;
67  int w, h;
70  int minp;
71  int maxp;
72  int nb_irs;
73  int selir;
74  int precision;
75  int format;
76 
77  double gain;
78 
79  int eof_coeffs[32];
81  int nb_taps;
84  int one2many;
85 
88 
90  AVFrame *ir[32];
93  int64_t pts;
94 
98 
99 #endif /* AVFILTER_AFIR_H */
AudioFIRContext::nb_segments
int nb_segments
Definition: af_afir.h:87
AudioFIRContext::frame_rate
AVRational frame_rate
Definition: af_afir.h:68
AudioFIRSegment::block_size
int block_size
Definition: af_afir.h:34
AudioFIRContext::ir_format
int ir_format
Definition: af_afir.h:64
AudioFIRContext::format
int format
Definition: af_afir.h:75
AudioFIRContext::eof_coeffs
int eof_coeffs[32]
Definition: af_afir.h:79
AVTXContext
Definition: tx_priv.h:202
AudioFIRContext::in
AVFrame * in
Definition: af_afir.h:89
rational.h
AudioFIRContext::video
AVFrame * video
Definition: af_afir.h:91
AVFrame
This structure describes decoded (raw) audio or video data.
Definition: frame.h:325
AudioFIRSegment::buffer
AVFrame * buffer
Definition: af_afir.h:47
AudioFIRContext::wet_gain
float wet_gain
Definition: af_afir.h:59
AudioFIRSegment::input_offset
int input_offset
Definition: af_afir.h:38
AudioFIRSegment::tx_fn
av_tx_fn tx_fn
Definition: af_afir.h:53
AudioFIRSegment::blockin
AVFrame * blockin
Definition: af_afir.h:45
AudioFIRContext::ir_gain
float ir_gain
Definition: af_afir.h:63
AudioFIRSegment::part_size
int part_size
Definition: af_afir.h:33
AudioFIRSegment::input_size
int input_size
Definition: af_afir.h:37
AudioFIRContext::nb_channels
int nb_channels
Definition: af_afir.h:82
AudioFIRSegment::coeff
AVFrame * coeff
Definition: af_afir.h:48
af_afirdsp.h
AudioFIRContext::min_part_size
int min_part_size
Definition: af_afir.h:92
AudioFIRSegment::blockout
AVFrame * blockout
Definition: af_afir.h:46
AudioFIRSegment
Definition: af_afir.h:31
AudioFIRContext::maxp
int maxp
Definition: af_afir.h:71
AudioFIRSegment::tx
AVTXContext ** tx
Definition: af_afir.h:52
av_tx_fn
void(* av_tx_fn)(AVTXContext *s, void *out, void *in, ptrdiff_t stride)
Function pointer to a function to perform the transform.
Definition: tx.h:111
AudioFIRContext::nb_taps
int nb_taps
Definition: af_afir.h:81
AudioFIRContext::response
int response
Definition: af_afir.h:66
AudioFIRContext::nb_irs
int nb_irs
Definition: af_afir.h:72
AudioFIRContext::gtype
int gtype
Definition: af_afir.h:62
AudioFIRContext::minp
int minp
Definition: af_afir.h:70
AVClass
Describe the class of an AVClass context structure.
Definition: log.h:66
AVRational
Rational number (pair of numerator and denominator).
Definition: rational.h:58
AudioFIRSegment::itx_fn
av_tx_fn itx_fn
Definition: af_afir.h:53
float_dsp.h
AudioFIRSegment::output
AVFrame * output
Definition: af_afir.h:50
AudioFIRContext::max_ir_len
float max_ir_len
Definition: af_afir.h:65
AudioFIRContext::fdsp
AVFloatDSPContext * fdsp
Definition: af_afir.h:96
AudioFIRSegment::sumin
AVFrame * sumin
Definition: af_afir.h:43
AudioFIRDSPContext
Definition: af_afirdsp.h:29
AVFloatDSPContext
Definition: float_dsp.h:24
frame.h
AudioFIRContext::w
int w
Definition: af_afir.h:67
AudioFIRContext::gain
double gain
Definition: af_afir.h:77
AudioFIRContext::length
float length
Definition: af_afir.h:61
AudioFIRContext::h
int h
Definition: af_afir.h:67
AudioFIRContext::one2many
int one2many
Definition: af_afir.h:84
AudioFIRSegment::input
AVFrame * input
Definition: af_afir.h:49
AudioFIRContext::ir
AVFrame * ir[32]
Definition: af_afir.h:90
AudioFIRSegment::coeff_size
int coeff_size
Definition: af_afir.h:36
AudioFIRSegment::nb_partitions
int nb_partitions
Definition: af_afir.h:32
AudioFIRContext::precision
int precision
Definition: af_afir.h:74
AudioFIRSegment::itx
AVTXContext ** itx
Definition: af_afir.h:52
AudioFIRContext::afirdsp
AudioFIRDSPContext afirdsp
Definition: af_afir.h:95
AudioFIRSegment::fft_length
int fft_length
Definition: af_afir.h:35
AudioFIRContext::ir_channel
int ir_channel
Definition: af_afir.h:69
AudioFIRSegment::sumout
AVFrame * sumout
Definition: af_afir.h:44
AudioFIRContext::nb_coef_channels
int nb_coef_channels
Definition: af_afir.h:83
AudioFIRContext
Definition: af_afir.h:56
AudioFIRContext::have_coeffs
int have_coeffs
Definition: af_afir.h:80
avfilter.h
AudioFIRContext::seg
AudioFIRSegment seg[1024]
Definition: af_afir.h:86
AudioFIRContext::dry_gain
float dry_gain
Definition: af_afir.h:60
AudioFIRContext::selir
int selir
Definition: af_afir.h:73
AudioFIRContext::pts
int64_t pts
Definition: af_afir.h:93
AudioFIRSegment::output_offset
int * output_offset
Definition: af_afir.h:40
tx.h
AudioFIRSegment::part_index
int * part_index
Definition: af_afir.h:41